JIAKE N9100 Android 4.4 Smartphone 5.5 inch Screen 512MB RAM+4GB ROM MTK6572 1.2GHz (Black) Unlock GSM 850/900/1800/1900 Mhz,WCDMA 850/2100 Mhz., 3.75G (HSDPA 42.2Mbps, HSUPA 11.5Mbps), Support WIFI AP MTK6572 1.2GHz Dual Core Android 4.4. RAM 512MB ROM 4GB 5.5 inch IPS Screen 960x540 pixels,Front 0.3 MP+back 5.0 MP Camera Unlocked cell phones are compatible with GSM carriers like AT&T and T-Mobile. Will not work with CDMA Carriers like Sprint, Verizon, Boost or Virgin